Five decades have passed since Emile Zuckerkandl and Linus Pauling first proposed the molecular clock hypothesis. The molecular clock has become an essential tool in evolutionary biology, from ...

In this essay "entrainment" as it occurs in early physics research, provides a conceptualization for viewing staff development models. Richard Ponzio is an assistant professor in the Education ...

The ability of plants to tell the time, a mechanism common to all living beings, enables them to survive, grow and reproduce. Scientists have studied this circadian clock from a molecular viewpoint ...

A case in point is a rather mysterious-looking clockwork device that has been in the collection for decades. Consisting of a box-like brass framework mounted on a wooden platform and filled with ...